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This file describes how to build and run wayland. See NOTES for what |
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wayland is or maybe will be some day. |
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Wayland requires the eagle EGL stack available from |
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git://people.freedesktop.org/~krh/eagle |
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and currently assumes that eagle is checked out in a sibling |
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directory, for example: |
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~krh/src/wayland and |
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~krh/src/eagle |
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Eagle should work with a recent DRI driver from mesa, but I have mesa |
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repo with an eagle branch here: |
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git://people.freedesktop.org/~krh/mesa |
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which provides and experimental DRI CopyBuffer extension, that lets |
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wayland use the DRI driver and the hardware for implementing buffer |
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swaps. Eagle needs to be compiled against the dri_interface.h from |
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this branch to be able to use the CopyBuffer extension. |
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To run wayland you currently need intel hardware, a kernel with gem |
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and kernel modesetting, and it is necessary to set a couple of |
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environment variables. First, set LD_LIBRARY_PATH: |
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export LD_LIBRARY_PATH=$PWD:$PWD/../eagle |
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Yes, this sucks, but libtool sucks more. Then to let eagle pick up |
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the custom dri driver, set |
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export EAGLE_DRIVER_PATH=$PWD/../mesa/lib |
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and finally set up the path to the evdev device to use as a pointer |
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device: |
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export WAYLAND_POINTER=/dev/by-id/whatever-it's-called-event-mouse |
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If you haven't already, load the i915 driver with modesetting: |
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modprobe i915 modeset=1 |
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You may need to unload it first, if it's loaded already. Also, on |
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Fedora, there may be a bogus /etc/modprobe.d/i915modeset preventing |
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the modeset paramater from reaching the module. Nuke it. |
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At this point you should be able to launch wayland and a couple of |
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clients. Try something like: |
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./wayland & |
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./background <some png/jpg image smaller than 1024x768> & |
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./flower & |
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./flower & |
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./flower & |
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./window & |
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./pointer & |
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Maybe some day there'll be a script that does all this. Some day... |
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And after all this work it may still not work or even oops your |
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kernel. It's very much work in progress, so be prepared. |
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cheers, |
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Kristian |
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